Justin Theroux is all smiles during Paris Fashion Week following split from Jennifer Aniston

The stars were out in Hollywood for the Oscars on Sunday, but Justin Theroux was heading to Paris!

The Leftovers star was spotted in the City of Light on Monday. He was all smiles but without his wedding ring as he stepped out during Paris Fashion Week, less than one month after announcing his split from wife Jennifer Aniston on Feb. 15.

Theroux was dressed casually for his Parisian outing, donning a black leather jacket, dark shirt, jeans and boots, which he paired with black aviator sunglasses and a baseball cap. He was first spotted sans wedding ring last week in New York City.

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Justin Theroux out and about

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Justin Theroux out and about

NEW YORK, NY - AUGUST 14: Justin Theroux attends the INTERSECT by Lexus Preview Event on August 14, 2018 in New York City. (Photo by Jamie McCarthy/Getty Images for INTERSECT by Lexus )

NEW YORK, NY - MAY 07: Justin Theroux attends the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Jamie McCarthy/Getty Images)

NEW YORK, NY - MAY 07: Justin Theroux attends the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Frazer Harrison/FilmMagic)

NEW YORK, NY - MAY 01: Actor Justin Theroux and Amy Sedaris are seen taking a cab in noho on May 1, 2018 in New York City. (Photo by Raymond Hall/GC Images)

NEW YORK, NY - APRIL 10: Actor Justin Theroux is seen biking in Soho on April 10, 2018 in New York City. (Photo by Raymond Hall/GC Images)

NEW YORK, NY - APRIL 02: Justin Theroux on April 2, 2018 in New York City. (Photo by Gotham/GC Images)

PARIS, FRANCE - MARCH 06: Justin Theroux attends the Louis Vuitton show as part of the Paris Fashion Week Womenswear Fall/Winter 2018/2019 on March 6, 2018 in Paris, France. (Photo by Bertrand Rindoff Petroff/Getty Images)

PARIS, FRANCE - MARCH 05: Actor Justin Theroux is seen on March 5, 2018 in Paris, France. (Photo by Marc Piasecki/GC Images)

PARIS, FRANCE - MARCH 05: Actor Justin Theroux is seen on March 5, 2018 in Paris, France. (Photo by Marc Piasecki/GC Images)

NEW YORK, NY - FEBRUARY 12: Actor Justin Theroux is seen walking in Soho on February 12, 2018 in New York City. (Photo by Raymond Hall/GC Images)

NEW YORK, NY - FEBRUARY 08: Actor Justin Theroux attends the Adam Selman front row during New York Fashion Week: The Shows at Gallery I at Spring Studios on February 8, 2018 in New York City. (Photo by John Lamparski/Getty Images for New York Fashion Week: The Shows)

NEW YORK, NY - NOVEMBER 30: Justin Theroux attends an evening honoring Louis Vuitton and Nicolas Ghesquiere at Alice Tully Hall at Lincoln Center on November 30, 2017 in New York City. (Photo by Noam Galai/WireImage)

NEW YORK, NY - OCTOBER 25: Actor Justin Theroux is seen on October 25, 2017 in New York City. (Photo by UMV/Star Max/GC Images)

NEW YORK, NY - SEPTEMBER 19: Justin Theroux is seen on the set of 'Good Morning America' on September 19, 2017 in New York City. (Photo by Raymond Hall/GC Images)

NEW YORK, NY - SEPTEMBER 19: Actor Justin Theroux leaves the 'Good Morning America' taping at the ABC Times Square Studios on September 19, 2017 in New York City. (Photo by Ray Tamarra/GC Images)

NEW YORK, NEW YORK - JUNE 01: (L-R) Carrie Coon, Justin Theroux and Amy Brenneman attend the 'The Leftovers' FYC New York Screening at Metrograph on June 01, 2017 in New York City. (Photo by Mike Coppola/Getty Images)

NEW YORK, NY - MAY 30: Justin Theroux at Good Morning America on May 30, 2017 in New York City. (Photo by Gotham/GC Images)

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The 46-year-old actor’s trip to France comes just a few days after Aniston was spotted leaving her former Friends co-star and BFF Courteney Cox's Beverly Hills condo without her wedding ring.

Theroux and Aniston announced their split in a joint statement to ET last month, saying, "In an effort to reduce any further speculation, we have decided to announce our separation. This decision was mutual and lovingly made at the end of last year. We are two best friends who have decided to part ways as a couple, but look forward to continuing our cherished friendship."

Like the statement, the pair's breakup seems to be an amicable decision. Following the news of their separation, a source told ET that the split was a long time coming and that one of the major factors that played into Aniston and Theroux’s breakup was a fundamental disagreement about where the couple should live.

According to ET's source, Theroux considers himself to be a New Yorker and living in Hollywood was something that he never really wanted. But the two seemed to care very much about one another and the breakup wasn't due to lack of love, "they just drifted apart," another source added.

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Justin Theroux and Jennifer Aniston together

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Justin Theroux and Jennifer Aniston together

HOLLYWOOD, CA - JULY 26: Jennifer Aniston and Justin Theroux attend the ceremony honoring Jason Bateman with Star On The Hollywood Walk Of Fame on July 25, 2017 in Hollywood, California. (Photo by JB Lacroix/WireImage)

HOLLYWOOD, CA - JULY 26: Jennifer Aniston and Justin Theroux attend the ceremony honoring Jason Bateman with Star On The Hollywood Walk Of Fame on July 25, 2017 in Hollywood, California. (Photo by JB Lacroix/WireImage)

NEW YORK, NY - NOVEMBER 16: Justin Theroux and Jennifer Aniston attend the Celebrity Charades Goes Medieval Gala 2015 at Capitale on November 16, 2015 in New York City. (Photo by Randy Brooke/WireImage)